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This change places dummyNCC implementation into `ncclient` package to make the package boundary clear. Also exposes dummyLBInterface struct details for testing purposes.
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| // Copyright 2012 Google Inc. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| // Author: [email protected] (Joel Sing) | ||
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| package client | ||
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| // This file contains dummy implementation of interfaces for testing purposes | ||
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| import ( | ||
| "fmt" | ||
| "net" | ||
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| "github.com/google/seesaw/common/seesaw" | ||
| "github.com/google/seesaw/ipvs" | ||
| ncctypes "github.com/google/seesaw/ncc/types" | ||
| "github.com/google/seesaw/quagga" | ||
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| log "github.com/golang/glog" | ||
| ) | ||
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| type dummyNCC struct{} | ||
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| // NewDummyNCC returns a dummy NCC client for testing purpose. | ||
| // It implements all methods NCC interface requires with no-op. | ||
| func NewDummyNCC() NCC { | ||
| return &dummyNCC{} | ||
| } | ||
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| func (nc *dummyNCC) NewLBInterface(name string, cfg *ncctypes.LBConfig) LBInterface { | ||
| return nil | ||
| } | ||
| func (nc *dummyNCC) Dial() error { return nil } | ||
| func (nc *dummyNCC) Close() error { return nil } | ||
| func (nc *dummyNCC) ARPSendGratuitous(iface string, ip net.IP) error { return nil } | ||
| func (nc *dummyNCC) BGPConfig() ([]string, error) { return nil, nil } | ||
| func (nc *dummyNCC) BGPNeighbors() ([]*quagga.Neighbor, error) { return nil, nil } | ||
| func (nc *dummyNCC) BGPWithdrawAll() error { return nil } | ||
| func (nc *dummyNCC) BGPAdvertiseVIP(ip net.IP) error { return nil } | ||
| func (nc *dummyNCC) BGPWithdrawVIP(ip net.IP) error { return nil } | ||
| func (nc *dummyNCC) IPVSFlush() error { return nil } | ||
| func (nc *dummyNCC) IPVSGetServices() ([]*ipvs.Service, error) { return nil, nil } | ||
| func (nc *dummyNCC) IPVSGetService(svc *ipvs.Service) (*ipvs.Service, error) { return nil, nil } | ||
| func (nc *dummyNCC) IPVSAddService(svc *ipvs.Service) error { return nil } | ||
| func (nc *dummyNCC) IPVSUpdateService(svc *ipvs.Service) error { return nil } | ||
| func (nc *dummyNCC) IPVSDeleteService(svc *ipvs.Service) error { return nil } | ||
| func (nc *dummyNCC) IPVSAddDestination(svc *ipvs.Service, dst *ipvs.Destination) error { return nil } | ||
| func (nc *dummyNCC) IPVSUpdateDestination(svc *ipvs.Service, dst *ipvs.Destination) error { return nil } | ||
| func (nc *dummyNCC) IPVSDeleteDestination(svc *ipvs.Service, dst *ipvs.Destination) error { return nil } | ||
| func (nc *dummyNCC) RouteDefaultIPv4() (net.IP, error) { return nil, nil } | ||
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| type DummyLBInterface struct { | ||
| Vips map[seesaw.VIP]bool | ||
| Vlans map[uint16]bool | ||
| Vservers map[string]map[seesaw.AF]bool | ||
| } | ||
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| // NewDummyLBInterface returns a dummy LBInterface for testing purpose. | ||
| // Internally it tracks the vips, vlans and vservers resources it manages and | ||
| // can be read back through public fields. | ||
| func NewDummyLBInterface() *DummyLBInterface { | ||
| return &DummyLBInterface{ | ||
| make(map[seesaw.VIP]bool), | ||
| make(map[uint16]bool), | ||
| make(map[string]map[seesaw.AF]bool), | ||
| } | ||
| } | ||
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| func (lb *DummyLBInterface) Init() error { return nil } | ||
| func (lb *DummyLBInterface) Up() error { return nil } | ||
| func (lb *DummyLBInterface) Down() error { return nil } | ||
| func (lb *DummyLBInterface) AddVIP(vip *seesaw.VIP) error { | ||
| log.Infof("Adding vip %v", vip) | ||
| lb.Vips[*vip] = true | ||
| return nil | ||
| } | ||
| func (lb *DummyLBInterface) DeleteVIP(vip *seesaw.VIP) error { | ||
| log.Infof("Deleting vip %v", vip) | ||
| if _, ok := lb.Vips[*vip]; !ok { | ||
| return fmt.Errorf("deleting non-existent VIP: %v", vip) | ||
| } | ||
| delete(lb.Vips, *vip) | ||
| return nil | ||
| } | ||
| func (lb *DummyLBInterface) AddVLAN(vlan *seesaw.VLAN) error { | ||
| lb.Vlans[vlan.Key()] = true | ||
| return nil | ||
| } | ||
| func (lb *DummyLBInterface) DeleteVLAN(vlan *seesaw.VLAN) error { | ||
| if _, ok := lb.Vlans[vlan.Key()]; !ok { | ||
| return fmt.Errorf("deleting non-existent VLAN: %v", vlan) | ||
| } | ||
| delete(lb.Vlans, vlan.Key()) | ||
| return nil | ||
| } | ||
| func (lb *DummyLBInterface) AddVserver(v *seesaw.Vserver, af seesaw.AF) error { | ||
| log.Infof("Adding vserver %v", v) | ||
| afMap, ok := lb.Vservers[v.Name] | ||
| if !ok { | ||
| afMap = make(map[seesaw.AF]bool) | ||
| lb.Vservers[v.Name] = afMap | ||
| } | ||
| afMap[af] = true | ||
| return nil | ||
| } | ||
| func (lb *DummyLBInterface) DeleteVserver(v *seesaw.Vserver, af seesaw.AF) error { | ||
| log.Infof("Deleting vserver %v", v) | ||
| if afMap, ok := lb.Vservers[v.Name]; !ok { | ||
| return fmt.Errorf("deleting non-existent Vserver: %v", v) | ||
| } else if _, ok := afMap[af]; !ok { | ||
| return fmt.Errorf("deleting wrong AF for Vserver %v: %v", v, af) | ||
| } else { | ||
| delete(afMap, af) | ||
| if len(afMap) == 0 { | ||
| delete(lb.Vservers, v.Name) | ||
| } | ||
| } | ||
| return nil | ||
| } |